Berkeley Electric Coop Inc Electricity Rates and Average Bill (South Carolina)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Berkeley Electric Coop Inc's residential customers in South Carolina paid an average effective rate of 15.81¢/kWh with an average monthly bill of $239.76, per EIA Form 861-M data. That rate is 0.1¢ above the South Carolina average of 15.76¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the South Carolina average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 16.86 | 185.11 | 1098 |
| October 2025 | 18.31 | 154.98 | 846 |
| November 2025 | 18.35 | 160.65 | 875 |
| December 2025 | 16.11 | 206.19 | 1280 |
| January 2026 | 16.11 | 222.59 | 1382 |
| February 2026 | 16.41 | 189.10 | 1152 |
| March 2026 | 18.06 | 160.97 | 891 |
| April 2026 | 18.13 | 154.17 | 850 |
| May 2026 | 17.13 | 184.28 | 1076 |
| June 2026 | 16.09 | 216.79 | 1347 |
| July 2026 | 15.54 | 257.06 | 1654 |
| August 2026 | 15.81 | 239.76 | 1517 |
Berkeley Electric Coop Inc vs South Carolina vs the U.S.
| Berkeley Electric Coop Inc | South Carolina | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 15.81¢/kWh | 15.76¢/kWh | 18.16¢/kWh |
| Average monthly bill | $239.76 | $226.29 | $209.23 |
| Average monthly usage | 1517 kWh | 1436 kWh | 1152 kWh |
| Rate change, 1 year | −1.6% | +4.0% | +3.4% |
Estimate a bill at Berkeley Electric Coop Inc rates
Worked example: 1,000 kWh at Berkeley Electric Coop Inc's average effective rate of 15.81¢/kWh is about $158.10. The utility's actual average usage is 1517 kWh/month, which produces the $239.76 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full South Carolina rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.